From 14 to 2 1: 30. Xinjin Zhangda Mansion is a leisure sport integrating catering, banquet, competition, parent-child, fishing and health preservation. Xinjin Zhangda Building has a swimming pool with constant temperature and room temperature, which is kept at 28 ~ 29℃ all the year round. It is suitable for swimming even in winter, and the daily opening time is 14-2 1.30. In addition, there are table tennis and badminton halls and children's play centers.